Home / 2,279,543.08-3,145,005.46-1,312,652.56

Finding the Fourth Proportional to 2,279,543.08, 3,145,005.46 and 1,312,652.56

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Solution

The fourth proportional to 2,279,543.08, 3,145,005.46 and 1,312,652.56 is: 1,811,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,543.08 : 3,145,005.46 = 1,312,652.56 : x
  2. Step 2: Convert to fraction form
    2,279,543.08/3,145,005.46 = 1,312,652.56/x
  3. Step 3: Cross multiply
    2,279,543.08x = 3,145,005.46 × 1,312,652.56
  4. Step 4: Simplify right side
    2,279,543.08x = 4,128,299,468,282.98
  5. Step 5: Solve for x
    x = 4,128,299,468,282.98/2,279,543.08
  6. Step 6: Final answer
    x = 1,811,020.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.